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Introduce CSSPixelLength and update NonNegativeLength.

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First, we define computed::CSSPixelLength which contains a CSSFloat, a
pixel value, and then we replace computed::Length with CSSPixelLength.
Therefore, the |ComputedValue| of NoCalcLength, AbsoluteLength,
FontRelativeLength, ViewportPercentageLength, CharacterWidth, and
PhysicalLength is CSSPixelLength.

Besides, we drop NonNegativeAu, and replace computed::NonNegativeLength
with NonNegative<computed::Length>. (i.e. NonNegative<CSSPixelLength>)
This commit is contained in:
Boris Chiou 2017-09-13 14:26:51 +08:00
parent cad3aff508
commit a949e2a057
40 changed files with 502 additions and 406 deletions
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8
components/style/servo/media_queries.rs
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@ -65,7 +65,7 @@ impl Device {
viewport_size,
device_pixel_ratio,
// FIXME(bz): Seems dubious?
root_font_size: AtomicIsize::new(font_size::get_initial_value().value() as isize),
root_font_size: AtomicIsize::new(font_size::get_initial_value().0.to_i32_au() as isize),
used_root_font_size: AtomicBool::new(false),
used_viewport_units: AtomicBool::new(false),
}
@ -260,9 +260,9 @@ impl Range<specified::Length> {
};
match *self {
Range::Min(ref width) => Range::Min(width.to_computed_value(&context)),
Range::Max(ref width) => Range::Max(width.to_computed_value(&context)),
Range::Eq(ref width) => Range::Eq(width.to_computed_value(&context))
Range::Min(ref width) => Range::Min(Au::from(width.to_computed_value(&context))),
Range::Max(ref width) => Range::Max(Au::from(width.to_computed_value(&context))),
Range::Eq(ref width) => Range::Eq(Au::from(width.to_computed_value(&context)))
}
}
}